Visible Body Exam #4 + Quizziz
Why does oxygen diffuse from the alveolus into the pulmonary capillary?
The alveolus has a high-oxygen partial pressure, whereas the surrounding pulmonary capillaries have a low-oxygen partial pressure.
Which of the following statements accurately compares the external and internal intercostals?
The external intercostals assist in normal inspiration, whereas the internal intercostals assist in forced expiration.
All of the following abdominal muscles play a role in forceful expiration except
The external obliques
If you were rowing a boat, you would use all of the following muscles except
The external obliques
All of the following are accessory respiratory muscles that assist in forceful inspiration except
The internal intercostals
Which muscle that moves and stabilizes the shoulder girdle can elevate the ribs to assist in more forceful inspiration?
The pectoralis minor
Which muscles are involved in forceful inspiration and shoulder girdle movements?
The pectoralis minor and serratus anterior
All of the following respiratory muscles are innervated by the intercostal nerves except A) The internal obliques B) The external intercostals C) The transversus thoracis D) The serratus posterior inferior
A) The internal obliques
All of the following statements accurately describe the external intercostals except A) they depress the ribs, aiding in forced expiration B) They originate from the lower border of ribs 1-11 C) They elevate the ribs, aiding in normal inspiration D) They insert on the upper border of ribs 2-12
A) they depress the ribs, aiding in forced expiration
In normal, quiet exhalation, the relaxation of the _____ and _____ is responsible for air departing the lungs. A) External intercostals, internal intercostals B) Serratus anterior, serratus posterior superior C) Diaphragm, external intercostals D) Internal intercostals, pectoralis minor
C) Diaphragm, external intercostals
Which muscle marks the anatomical division between the thoracic and abdominal cavities? A) The transversus thoracis B) The serratus anterior C) The diaphragm D) The pectoralis minor
C) The diaphragm
What creates the movement that helps inspiration and expiration of air during pulmonary ventilation?
Contraction and relaxation of muscles in the diaphragm and thorax
The _______ is/are the principle muscle(s) of inspiration.
Diaphragm
The gas-transporting molecules in red blood cells are called
Hemoglobin
All of the following respiratory muscles are innervated by the intercostal nerves except
The internal obliques
Pulmonary ventilation, or breathing, is induced by
Changes in the volume of the lungs and the air pressure within them.
During normal exhalation, the diaphragm and external intercostals
Relax
If you were swinging a baseball bat, which muscles would you be using?
The external and internal obliques
Which muscle plays a role in taking a bow after a performance?
The rectus abdominis
The Pec Major is innervated by which nerves A) Medial and lateral pectoral nerves B) Superior and inferior pectoral nerves C) Long thoracic nerve D) Intercostal nerves
A) Medial and lateral pectoral nerves
When the pelvis is fixed this muscle laterally flexes the trunk. A) Quadratus lumborum B) Illiacus muscle C) Transversus thoracis muscle D) coccyge4us (iliococcygeus) muscle
A) Quadratus lumborum
All of the following muscles play a role in forceful exhalation except A) Serratus posterior superior B) Serratus posterior inferior C) Internal intercostals D) Internal obliques
A) Serratus posterior superior
If you were rowing a boat, you would use all of the following muscles except A) The external obliques B) The serratus anterior C) The rhomboid minor D) The trapezius
A) The external obliques
All of the following statements accurately describe how the expiratory muscles insert on the ribs except A) serratus posterior superior inserts on ribs 2-5 B) transversus thoracis inserts on the costal cartilages of ribs 2-6 C) serratus posterior inferior inserts on ribs 9-12 D) internal obliques insert on the inferior border of ribs 10-12
A) serratus posterior superior inserts on ribs 2-5
The internal intercostals _____ the ribs, aiding in _____. A) Depress, normal inspiration B) Depress, forced expiration C) Elevate, forced expiration D) Elevate, normal inspiration
B) Depress, forced expiration
The internal intercostals _____ the ribs, aiding in _____. A) Depress, normal inspiration B) Depress, forced expiration C) Elevate, forced expiration D) Elevate, normal inspiration
B) Depress, forced expiration
In internal respiration, oxygen carried in _________ moves into cells, and waste carbon dioxide moves out into ________.
Arteries, veins
All of the following statements accurately describe how the expiratory muscles insert on the ribs except A) The internal obliques insert on the inferior border of ribs 10-12 B) The serratus posterior superior inserts on ribs 2-5 C) The serratus posterior inferior inserts on ribs 9-12 D) The transversus thoracis inserts on the costal cartilages of ribs 2-6.
B) The serratus posterior superior inserts on ribs 2-5
All of the following abdominal muscles play a role in forceful expiration except A) The rectus abdominis B) the external obliques. C) The internal obliques D) The transversus abdominis
B) the external obliques.
In external respiration, gases are exchanged between the lungs and the
Bloodstream
11. In the course of performing an esophageal resection for carcinoma, a surgeon makes a radially oriented incision in the left diaphragm. This incision extends from the esophageal hiatus laterally to the costal margin. The incision in the diaphragm is repaired with heavy sutures at the conclusion of the operation. Postoperative examination reveals poor inspiratory effort on the left side. Radiographs taken at full inspiration and full expiration show that the left hemidiaphragm is high and is not moving with respiration. Which of the following is the most likely diagnosis? A) Injury to the left thoracodorsal nerve B) Injury to the left recurrent laryngeal nerve C) Injury to the left phrenic nerve D) Injury to left long thoracic nerve
C) Injury to the left phrenic nerve
The Anterior thorax muscles: that help provide movements to arm and shoulder include: A) Pec major, pec minor, serratus anterior and posterior B) pec minor and serratus anterior C) Pec major, pec minor, serratus anterior D) Pec major and minor
C) Pec major, pec minor, serratus anterior
If you were swinging a baseball bat, which muscles would you be using? A) The interspinales and intertransversarii muscles B) The external and internal intercostals C) The external and internal obliques D) The iliocostalis and spinalis muscles
C) The external and internal obliques
6. Which of the following statements accurately compares the external and internal intercostals? A) Both the external and internal intercostals assist in normal inspiration. B) Both the external and internal intercostals assist in forced expiration C) The external intercostals assist in normal inspiration, whereas the internal intercostals assist in forced expiration. D) The external intercostals assist in forced expiration, whereas the internal intercostals assist in normal inspiration
C) The external intercostals assist in normal inspiration, whereas the internal intercostals assist in forced expiration.
All of the following are accessory respiratory muscles that assist in forceful inspiration except A) The scalenes B) The serratus posterior superior C) The internal intercostals D) The pectoralis minor
C) The internal intercostals
All of the following thoracic muscles that move and stabilize the shoulder insert on the scapula except A) The serratus anterior B) The trapezius. C) The rhomboid major D) The subclavius
D) The subclavius
Which expiratory muscle is innervated by the intercostal nerves? A) The transversus abdominis B) The rectus abdominis C) The internal obliques D) The transversus thoracis
D) The transversus thoracis
Which expiratory muscle is innervated by the intercostal nerves? A) internal obliques B) rectus abdominis C) transversus abdominis D) Transversus thoracis
D) Transversus thoracis
All of the following are actions of the trapezius except
Elevating the arm
All of the following are functions of the abdominal muscles except
Extending the spine
The pectoralis major and minor, subclavius serratus anterior (anteriorly), serratus posterior (superior and inferior) help make up the thoracic wall? True False
False
If you were explaining the diaphragm to your lab partner, you would likely make all of the following points except
It compresses the thoracic cavity and expands the abdominal cavity when it contracts
What is the action of the multifidus?
It stabilizes the vertebrae in local movements of the vertebral column
How would you explain what happens when regurgitated stomach acid irritates the phrenic nerve and makes it fire spontaneously?
It triggers spontaneous diaphragm contractions, known as hiccups
Nerve impulses transmitted by the ______ and the _____ to respiratory muscles regulate the respiratory rate.
Pons, medulla oblongota
If your lab partner asked you to distinguish between the rhomboid major and rhomboid minor muscles, which of the following points would you likely make?
The rhomboid major originates from the spinous processes of T2 T5, whereas the rhomboid minor originates from the spinous processes of C7 T1.
If you were standing upright, you'd be using all of the following muscles except
The scalenes
Which of the following statements accurately compares the serratus posterior superior and serratus posterior inferior muscles?
The serratus posterior superior assists in forceful inspiration, whereas the serratus posterior inferior assists in forceful expiration
What is the origin point of the rhomboid major?
The spinous processes of T2 T5
Which of the following statements accurately compares the splenius capitis and semispinalis capitis?
The splenius capitis rotates the face to the same side, whereas the semispinalis capitis rotates the face to the opposite side
All of the following thoracic muscles that move and stabilize the shoulder insert on the scapula except
The subclavius
Which muscle that moves and stabilizes the shoulder girdle is located on the anterior side of the body?
The subclavius
Which of the following statements is true regarding the posterior muscles that move and stabilize the shoulder?
They all insert on the scapula
All of the following statements accurately describe the transversospinales muscles except
They include the spinalis, longissimus, and iliocostalis muscles
Which of the following statements is true regarding the erector spinae muscles?
They lie parallel to the spine and extend the back
What impact do the rhomboid major and rhomboid minor muscles have on the scapula?
They steady the scapula
The internal intercostals ORGINATE on the inferior border of the costal groove of the rib above and INSERT onto the costal cartilage and edge of the superior border of the costal groove of rib immediately below True False
True
When chemoreceptors in the aortic arch and common carotid arteries detect changes in carbon dioxide and oxygen levels in the blood, they send signals up to which two cranial nerves?
Vagus and glossopharyngeal
